The Semiconductor Device,thyristor, cataloged under National Stock Number 5961-01-181-2819, is classified within Federal Supply Class 5961 (Semiconductor Devices and Associated Hardware) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Hobart Bros Co. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Item Name | Semiconductor Device,thyristor |
| FSC / FSG | 5961 — Semiconductor Devices and Associated Hardware (FSG 59) |
| Manufacturers | Hobart Bros Co (CAGE 28835) |
| Parameter | Value |
|---|---|
| NSN | 5961-01-181-2819 |
| Primary Part Number | 405139 |
| Item Name | Semiconductor Device,thyristor |
| FSC / FSG | 5961 / 59 — Semiconductor Devices and Associated Hardware |
| Manufacturer | Hobart Bros Co |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 405139 PRIMARY | Hobart Bros Co (USA) |
| Reference | Meaning |
|---|---|
| 88-4542(300 PAC SERIES) | 5/2 Secondary reference U.S. Government activity |
| C380DX153 | 5/9 Secondary reference General Electric Co Semi-Conductor Products Dept |
| T620043004HJ | 5/9 Secondary reference Powerex, Inc. |
| T620043004HJ | 5/9 Secondary reference Westinghouse Electric Corp Semiconductor Div |
NSN 5961-01-181-2819 is a Semiconductor Device,thyristor, manufactured by Hobart Bros Co, classified under FSC 5961, Semiconductor Devices and Associated Hardware. Status: active.
NSN 5961-01-181-2819 has 1 manufacturer part number on file: 405139 (Hobart Bros Co).
1 possible match (shared part number, not a government interchangeability claim): 5998-01-646-7007. Verify interchangeability with system specifications before substitution.
No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-16.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.